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Below is a table of the MKSI shares outstanding history going back to 2/17/2010:
Also see: MKSI Market Cap History MKSI YTD Return |
MKSI Shares Outstanding History — MKS Instruments Share Count Over Time
As of 4/29/2026 MKS Instruments has 67.54 million MKSI shares outstanding. Investors often track the MKSI shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows MKSI share count trends over time, with 67 historical shares outstanding datapoints presented, dating back to 2/17/2010.
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MKSI Historical Shares Outstanding: +1.93% CAGR 
Mouse over chart for data details
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| MKSI Stock Price Chart |
| About MKS Inc. |
| MKS Instruments, Inc. is engaged in delivering technology solutions. Co.'s segments include Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The VSD segment delivers technology solutions to edge semiconductor manufacturing, electronics and packaging and specialty industrial applications. VSD products are derived from its core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and vacuum technology. We show 67 historical shares outstanding datapoints in our coverage of MKSI's shares outstanding history. Understanding the changing numbers of MKSI shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like MKSI versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching MKSI by allowing them to research MKSI shares outstanding history as well as any other stock in our coverage universe. |
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| MKSI Share Performance |
| Shares Outstanding Peers |
| MKS Instruments (MKSI) is categorized under the Technology sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
MKTY Shares Outstanding History MLNK Shares Outstanding History MLNX Shares Outstanding History MMAT Shares Outstanding History MNDO Shares Outstanding History MNDT Shares Outstanding History MNTV Shares Outstanding History MOBL Shares Outstanding History MODN Shares Outstanding History MOSY Shares Outstanding History More Technology companies » |
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